This creates a 8051 build that can run in 24Kb of RAM

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@26 42af7a65-404d-4744-a932-0658087f49c3

arch/sim/defconfig

@@ -92,6 +92,8 @@ CONFIG_DEV_CONSOLE=y
 # o pthread_condtimedwait() depends on signals to wake
 #   up waiting tasks.
 #
+CONFIG_DISABLE_CLOCK=n
+CONFIG_DISABLE_PTHREAD=n
 CONFIG_DISABLE_SIGNALS=n
 CONFIG_DISABLE_MQUEUE=n
 
@@ -125,6 +127,8 @@ CONFIG_RRLOAD_BINARY=n
 #
 # Sizes of configurable things (0 disables)
 #
+# CONFIG_MAX_TASKS - The maximum number of simultaneously
+#   active tasks. This value must be a power of two.
 # CONFIG_NPTHREAD_KEYS - The number of items of thread-
 #   specific data that can be retained
 # CONFIG_NFILE_DESCRIPTORS - The maximum number of file
@@ -147,6 +151,7 @@ CONFIG_RRLOAD_BINARY=n
 #   structures.  The system manages a pool of preallocated
 #   watchdog structures to minimize dynamic allocations
 #
+CONFIG_MAX_TASKS=64
 CONFIG_NPTHREAD_KEYS=4
 CONFIG_NFILE_DESCRIPTORS=32
 CONFIG_NFILE_STREAMS=16